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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG632488346

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG632488346

Diamond specifications and retailer prices

From €300 EUR
$335 USD
As of October 30, 2026
Save €2,564 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,864 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG632488346 or 632488346. Listed at 22 retailers as of October 30, 2026, with prices from €300 to €2,864, a €2,564 spread on the same certified stone. Brilliant Earth lists it at €2,864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632488346
Dimensions7.11 × 8.03 × 4.55 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.11 mm8.03 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632488346
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,864 EUR|Low: €288 EUR|High: €3,115 EUR|Avg: €916 EUR|-8.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 15€300 EUR
Retailer 6€348 EUR
Retailer 3€371 EUR
Retailer 7€371 EUR
Retailer 9€384 EUR
Retailer 5€499 EUR
Retailer 11€510 EUR
Retailer 10€639 EUR
Retailer 2€666 EUR
Retailer 13€920 EUR
Retailer 14€1,155 EUR
Retailer 4€1,195 EUR
Retailer 12€1,491 EUR
Retailer 8€2,093 EUR
Brilliant Earth€2,864 EUR

36 data points across 15 retailers

22 retailers€300 EUR to €2,864 EUR

A
Cheapest Retailer
-
€300 EUR
$335 USD
A
Retailer 2
-
€335 EUR
$374 USD
View
Final sale: no returns
A
Retailer 3
-
€348 EUR
$389 USD
View
A
Retailer 4
-
€371 EUR
$415 USD
View
A
Retailer 5
-
€371 EUR
$415 USD
View
A
Retailer 6
-
€384 EUR
£338 GBP
View
A
Retailer 7
-
€499 EUR
$558 USD
View
A
Retailer 8
-
€510 EUR
$570 USD
View
A
Retailer 9
-
€639 EUR
ZAR 11,529 ZAR
View
A
Retailer 10
-
€666 EUR
£586 GBP
View
A
Retailer 11
-
€668 EUR
$746 USD
View
A
Retailer 12
-
€920 EUR
$1,028 USD
View
A
Retailer 13
-
€920 EUR
$1,028 USD
View
B+
Retailer 14
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 15
-
€1,195 EUR
$1,335 USD
View
B+
Retailer 16
-
€1,234 EUR
$1,379 USD
View
B+
Retailer 17
-
€1,404 EUR
$1,569 USD
View
B+
Retailer 18
-
€1,454 EUR
$1,624 USD
View
B+
Retailer 19
-
€1,491 EUR
£1,312 GBP
View
B
Retailer 20
-
€2,093 EUR
A$3,597 AUD
View
B
Retailer 21
-
€2,490 EUR
£2,190 GBP
View
Most Expensive
B
Brilliant Earth
13387894A · Oct 31
€2,864 EUR
$3,200 USD
View
21 more retailers have this diamond
Prices start from €300 EURSave up to €2,564 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Heart
€300 EUR